Hi,

I'm trying to use X-Accel-Redirect from a Ruby app to hand over downloading of a file to Nginx, but it fails and the error in the logs is:

2011/06/03 09:18:16 [error] 20500#0: *37 rewrite or internal redirection cycle while internal redirect to "/files/file.m4a" while reading response header from upstream, client: 10.0.1.23, server: hercules, request: "GET /download/e2a25db11bdbdd783531783eaa16eafdfc86355b/1307089096/file.m4a/ HTTP/1.1", upstream: "http://127.0.0.1:8679/download/e2a25db11bdbdd783531783eaa16eafdfc86355b/1307089096/file.m4a/", host: "fakehost.blob", referrer: "http://fakehost.blob/music/file.m4a"


Here is the Nginx config from sites-available:


upstream fakehost.blob {
server 127.0.0.1:8679;
server 127.0.0.1:8680;
}

server {
listen 80;

server_name fakehost.blob;

access_log /var/log/nginx/fakehost.blob.log main;
error_log /var/log/nginx/fakehost.blob.error.log info;


location /files {
internal;
alias /Users/www/sites/$http_host/assets/files;
}

location / {
proxy_pass http://$http_host;
}

location = /50x.html {
root html;
}
}

and in the main nginx.conf:

http {
server_names_hash_bucket_size 64;
include mime.types;
default_type application/octet-stream;

log_format main '$remote_addr - $remote_user [$time_local] $request '
'"$status" $body_bytes_sent "$http_referer" '
'"$http_user_agent" "$http_x_forwarded_for"';

sendfile on;

keepalive_timeout 65;## General Options
ignore_invalid_headers on;
server_name_in_redirect off;
server_tokens off;

#TCP
tcp_nopush on;
tcp_nodelay off;
## Proxy options
proxy_buffering on;
#proxy_cache_min_uses 3;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header Host $http_host;
proxy_redirect off;

proxy_connect_timeout 90;
proxy_send_timeout 90;
proxy_read_timeout 90;

proxy_buffer_size 4k;
proxy_buffers 4 32k;
proxy_busy_buffers_size 64k;
proxy_temp_file_write_size 64k;

<snip>

If anyone is able to give me some insight or help with this I'd be very grateful, as I've reached the limit (I'm far beyond it!:) of my knowledge with Nginx.

Regards,
Iain
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